The second moment of an n X n symmetric random +-1 matrix.
A362413
The second moment of an n X n symmetric random +-1 matrix.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =8a(4) =44a(5) =244a(6) =1744a(7) =13768a(8) =127952a(9) =1270736a(10) =14384096a(11) =172799296a(12) =2306400832a(13) =32442943168a(14) =498547591424
External references
- oeis: A362413